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    • Masters Thesis
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    •   HSTUL IR
    • Faculty of Engineering
    • Dept. of Food Processing & Preservation
    • Masters Thesis
    • View Item
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    PHYSICOCHEMICAL PROPERTIES OF FLOUR AND STARCH FROM JACKFRUIT SEED

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    FATEHATUN NOOR Student ID.: 1205049 Registration No.: 1205049 Semester: January-June, 2013 (10.84Mb)
    Date
    2013-06
    Author
    NOOR, FATEHATUN
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    URI
    http://localhost:8080/xmlui/handle/123456789/338
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    • Masters Thesis
    Abstract
    The chemical, physico-chemical and functional properties of flour and starch from three varieties of Jackfruit seed were analyzed in this study. Starch was isolated using distilled water, alkaline and a-amylase enzyme. All varieties of Jackfruit seed flour had moisture content 6.28-9.16%, protein 9.19-11.34%, fat 1.18-1.40%, ash 1.53-2.66%, amylose 26.49%-30.21% and starch contents 81.05%-82.52%. Gala variety had highest amount of water soluble index, swelling water capacity and water absorption index than Khaja and Durasha varieties. On the other hand, isolated starch varied 8.39 to 12.20% moisture, 1.09 to 3.67% protein, 1.18 to 1.40% fat, 0.03 to 0.59% ash content. Starch isolated with distilled water had higher protein content, yield, amylose and total starch than starch isolated with alkaline and enzyme. However, purity was depend on the variety and extraction conditions. Enzymatic method gave highest amount of water absorption index and water soluble index as compared to distilled water and alkaline method. Results from this study suggest that Jackfruit seed flour can be used as partial replacement of wheat flour and good source of starch.

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